Launch Your Career at Guernsey
Launch Your Career at Guernsey
Internships & Early-Career Opportunities
At Guernsey, interns aren’t just observers—you’re contributors. You’ll work on real projects, gain mentorship from experienced professionals, and have a voice in shaping the future of communities, infrastructure, and design.
Founded in 1928 in Cherokee, Oklahoma, Guernsey has been building what matters for nearly a century—starting in rural Oklahoma and now enhancing infrastructure across five continents. Today, we’re 100% employee‑owned and designing the future from the ground up—like Oklahoma’s first multi‑story mass timber office building, our new HQ in OKC’s walkable Alley North district.
At-a-Glance
- Founded: 1928 (Cherokee, OK)
- Ownership: 100% Employee‑Owned
- Global Impact: Projects across five continents
- Innovation: OK’s first multi‑story mass timber HQ (Alley North)
- Internships:
- Commitment: Full-time, 10-12 week summer program with immersive project experience
- Scope: Opportunities across Architecture, Engineering, Interior Design, Transportation, Energy & Utilities, and Electric Utility Management
- Participants: Cohort of 10-12 interns annually across multiple disciplines
- Reach: Recruited from universities across Oklahoma and the U.S.
- Outcome: Hands-on experience that builds portfolios, professional references, and career-ready skills
What We Do
- Architecture & Interior Design
- Engineering & Transportation
- Energy & Utility Management
- Environmental Planning
- Cybersecurity & CMMC Compliance
- Optimization & Business Consulting
From designing iconic civic buildings to advancing energy resilience, safeguarding data, and planning the future of transportation, Guernsey’s multidisciplinary teams solve real‑world challenges every day.
Why You’ll Love Interning Here
- A culture built on teamwork and growth
- Opportunities for hands‑on work on game‑changing projects
- A collaborative environment that values your ideas
- Exposure to multiple disciplines: Architecture • Interior Design • Engineering • Energy & Utilities • Environmental Planning • Cybersecurity & CMMC
What You’ll Gain
- Exposure to diverse projects in engineering, architecture, consulting, and energy
- Development of leadership, management, and organizational skills
- Mentorship and guidance from experienced professionals
- A collaborative environment that values fresh perspectives
Intern Voices - What Our Interns Say
"One of the most exciting experiences of my life. We had the opportunity to apply our designs and see them in the real world."
— Summer 2025 Electrical Engineering Intern
"My favorite part of my internship was collaborating with the other disciplines on a project."
— Summer 2025 Interior Design Intern
"I learned early on that everyone is so kind...They are very good at helping you understand so you know what you are doing."
— Summer 2025 Structural Engineering Intern
"It's been really exciting being around the world of architecture and hearing about it all day."
— Summer 2025 Architectural Intern
"My favorite opportunity was to go out to the field with a seasoned professional and hear their perspective on the project and what they've learned through the years."
— Summer 2025 Power Engineering Intern
Ready to Apply?
Explore our recent work and see how your skills could fit:
If you’re curious, driven, and ready to make an impact, Guernsey is the place to start.
Our Culture
“At Guernsey, our people aren’t part of the story—they are the story. Every idea sparked, every solution delivered, every relationship built begins with our employees.”
— Jared Stigge, President
